Home / 84,577.50-116,665.65-55,897.41

Finding the Fourth Proportional to 84,577.50, 116,665.65 and 55,897.41

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Solution

The fourth proportional to 84,577.50, 116,665.65 and 55,897.41 is: 77,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,577.50 : 116,665.65 = 55,897.41 : x
  2. Step 2: Convert to fraction form
    84,577.50/116,665.65 = 55,897.41/x
  3. Step 3: Cross multiply
    84,577.50x = 116,665.65 × 55,897.41
  4. Step 4: Simplify right side
    84,577.50x = 6,521,307,670.97
  5. Step 5: Solve for x
    x = 6,521,307,670.97/84,577.50
  6. Step 6: Final answer
    x = 77,104.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.